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-rw-r--r--net/netlink/af_netlink.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 930d17fa906c..b4a29bcc33b9 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -993,7 +993,7 @@ static int netlink_bind(struct socket *sock, struct sockaddr *addr,
struct netlink_sock *nlk = nlk_sk(sk);
struct sockaddr_nl *nladdr = (struct sockaddr_nl *)addr;
int err = 0;
- long unsigned int groups = nladdr->nl_groups;
+ unsigned long groups = nladdr->nl_groups;
bool bound;
if (addr_len < sizeof(struct sockaddr_nl))
@@ -1011,9 +1011,7 @@ static int netlink_bind(struct socket *sock, struct sockaddr *addr,
return err;
}
- if (nlk->ngroups == 0)
- groups = 0;
- else if (nlk->ngroups < 8*sizeof(groups))
+ if (nlk->ngroups < BITS_PER_LONG)
groups &= (1UL << nlk->ngroups) - 1;
bound = nlk->bound;